Question

To obtain image of an object on the screen, we require a - *
convex lens
concave lens
concave lens of large focal length
concave lens of smaller focal length

I feel like this question's answer should be convex lens since concave lens can't give a real image so it cant be obtained on a screen right? I couldn't find the correct answer
pls explain with reason..​

Answer 1

Answer:

feel like this question's answer should be convex lens since concave lens can't give a real image so it cant be obtained on a screen right? I couldn't find the correct answer

pls explain with reason..

Answer 2

Answer:

c) concave lens of large focal length

Explanation:

It can't be a convex lens because convex lens give only virtual images. Whereas an image obtained on a screen is real.